3DR Solo User Manual - 7.4  Home Position Safety

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7.1.5 

Sport

Sport mode in a modified version of acro that includes altitude assistance and earth-frame orientation. With 

altitude assistance, the throttle stick behaves the same in sport as it does in standard flight (Fly mode). Earth-frame 

orientation differs from copter-frame orientation in that the direction of yaw rotation is in relation to the earth instead 

of in relation to the copter itself. For example, if Solo is pitched forward in sport mode and left yaw is applied, 

Solo will maintain the same pitch angle and rotate around the vertical axis. As opposed to in acro’s copter-frame 

orientation, in which, in the same situation, Solo will perform a cartwheel. Sport does not require GPS lock.

7.2  Enabling Advanced Flight Modes

To unlock Solo’s advanced flight modes, use the app to select Advanced Settings from the Settings menu. Toggle 

the Enable Advanced Flight Modes option to gain access to Solo’s advanced modes.

Figure 7.2.5.1: App - Advanced Settings

7.3  Accessing Advanced Flight Modes

Once enabled, advanced flight modes can be accessed only by assigning them to the controller’s A and B buttons 

using the app. In the app, select Preset A or Preset B from the Solo menu. (The app must be connected to Solo to 

apply button assignments.) Once assigned, use the controller to activate advanced modes during flight.

Figure 7.3.5.1: App - A and B Presets

7.4  Home Position Safety

Fly:Manual, stabilize, acro, and sport modes do not require GPS lock. To take off without GPS lock, Solo must be 

set to one of these modes. Without an active GPS signal, Return Home, Pause, and Smart Shots will be disabled. 

If you choose to take off without GPS lock, Solo will not save a home position at the launch point. If Solo acquires 

GPS lock mid-flight, the autopilot will save a home position at that location. To prevent a potentially unsafe situation, 

do not use Return Home if Solo did not acquire GPS prior to takeoff.

If Solo did not acquire GPS lock prior to takeoff, do not use Return 

Home.